Poor People's Campaign Solidarity Day, Washington, District of Columbia. Participants include Hubert Humphrey, Eugene McCarthy, Ossie Davis, Herman Badillo, Walter Reuther, Pete Seeger, Jerry Butler, Peter, Paul and Mary, Clara Ward, Bill Cosby, Noble Sissle, Mary Beth McCarthy, William F. Ryan, Jacob Javits, Eartha Kitt, Coretta Scott King, Everett Parker, Mad Bear, Roy Wilkins, Whitney Young, Charles Percy, Dorothy Height, Roberta Parks, Don Leace, Johnnie Tillmon, Peggy Terry, James Bevel, Cleveland Robinson, Gilberto Gerena Valentin and the Flying Nesbitts.: Jun 19, 1968